Lens Grinding machine, Curve generation, Grinding ,Smoothing, Polishing & Hand Polishing,Centering &Edging, Cementing of lenses, Fusion of Lenses, Anti reflection coatings to manufacture spectacles Lenses, Prism and other flat surfaces, Lens use of optical instruments and devicessuch as Telescope ,Microscope, Binoculars, Periscope, Range Finder, Theodolites,. Night Vision devices, Lensometer, Auto Refractometer, Slit lamp, Lens tray, Lens frame, optical refraction unit, Phoropter, Retinoscope and idea about optical aberrations. and lots more.
MANOJ DOLE is an Engineer from reputed University. He is currently working with Government Industrial Training- Institute as a lecturer from last 12 Years. His interest include- Engineering Training Material, Invention & Engineering Practical- Knowledge etc.